JL Audio RD400/4 400 Watt 4-Channel Full Range Class D Amplifier speakers 2.5" Every updatable module is branded

Every updatable module is branded with a unique serial number that allows to view the preloaded firmware version

Audio/video Features:

inputs: front panel auxiliary and USB inputs

sensitivity: 93 dB at 2

JL Audio RD400/4 400 Watt 4-Channel Full Range Class D Amplifier speakers 2.5" Every updatable module is brandedProduct highlights: 4 channel car amplifier 75 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms) 200 watts RMS x 2 bridged at 4 ohms (4 ohm stable in bridged mode) Class D amplifier design with NextD switching amp technology differential balanced inputs help eliminate noise variable low and high pass filters (50 500 Hz, 12 dB octave) LED clip lights help set gain Other Features: blue LED accent lighting preamp inputs and outputs speaker level